F.H. Girard, Ph.D. Thesis, Northwestern University, Evanston, IL., 1964
http://nucat.library.northwestern.edu/cgi-bin/Pwebrecon.cgi?BBID=1279354
Chem. Abstr., 63, 7240h (1965)
Dissertation Abstr., 25 (11), 6196-7 (1965)